– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Thu 25 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 25 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 25 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 27mm), heaviest during Fri morning. Very mild (max 15°C on Thu night, min 9°C on Sat morning). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 5mm), mostly falling on Wed afternoon. Very mild (max 14°C on Sun night, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  |  |  | | | | | | | | | | | |
mod. rain | light rain | light rain | heavy rain | light rain | light rain | rain shwrs | some clouds | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 5 | 4 | 4 | 10 | 3 | 0.3 | 0.1 | — | 0.2 | 0.2 | 0.1 | 0.2 | 0.3 | 0.4 | 0.7 | 0.4 | 0.9 | 1.4 | 0.3 |
max °C | 15 | 12 | 13 | 12 | 9 | 13 | 14 | 14 | 15 | 14 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 13 | 13 |
min °C | 11 | 11 | 12 | 10 | 9 | 11 | 10 | 12 | 15 | 11 | 12 | 13 | 11 | 12 | 11 | 10 | 10 | 12 | 9 |
chill °C | 10 | 10 | 11 | 10 | 9 | 11 | 10 | 12 | 15 | 11 | 12 | 13 | 11 | 12 | 11 | 10 | 10 | 12 | 9 |
Freezing level m | 2700 | 2400 | 2400 | 2250 | 2100 | 2550 | 2750 | 2950 | 3150 | 3300 | 3450 | 3450 | 2950 | 2600 | 2900 | 2450 | 2400 | 2500 | 2650 |
Cloud base (m) | 550 | 550 | 750 | 550 | 550 | 700 | 2700 | 1800 | 1500 | 1600 | 650 | 650 | 700 | 700 | 650 | 700 | 550 | 750 | 1850 |
 | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — |
 | — | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 27mm), heaviest during Fri morning. Very mild (max 15°C on Thu night, min 9°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Wed afternoon. Very mild (max 14°C on Sun night, min 10°C on Tue night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.